The Present Arms MP-1A Single Stack Magazine Post is made of a tough polymer it will not mar or scratch your firearm. It is designed to work interchangeably with any of Present Arms’ firearm workstations. Fits 1911 38 Super, 1911 9mm, 1911 45ACP, Sig Sauer 1911 45ACP, Glock 43 Mfg: Present Arms Inc
